101 lines
2.3 KiB
JavaScript
101 lines
2.3 KiB
JavaScript
goog.require('ol.Map');
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goog.require('ol.Overlay');
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goog.require('ol.OverlayPositioning');
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goog.require('ol.RendererHint');
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goog.require('ol.View2D');
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goog.require('ol.format.GeoJSON');
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goog.require('ol.icon');
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goog.require('ol.layer.Tile');
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goog.require('ol.layer.Vector');
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goog.require('ol.source.TileJSON');
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goog.require('ol.source.Vector');
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goog.require('ol.style.Style');
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var raster = new ol.layer.Tile({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/mapbox.geography-class.jsonp'
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})
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});
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var vectorSource = new ol.source.Vector();
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new ol.format.GeoJSON().readObject({
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'type': 'FeatureCollection',
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'features': [{
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'type': 'Feature',
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'properties': {
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'name': 'Null Island',
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'population': 4000,
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'rainfall': 500
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},
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'geometry': {
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'type': 'Point',
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'coordinates': [0, 0]
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}
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}]
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}, vectorSource.addFeature, vectorSource);
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var styleArray = [new ol.style.Style({
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image: ol.icon.renderIcon('data/icon.png')
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})];
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var vector = new ol.layer.Vector({
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source: vectorSource,
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styleFunction: function(feature, resolution) {
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return styleArray;
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}
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});
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var map = new ol.Map({
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layers: [raster, vector],
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renderer: ol.RendererHint.CANVAS,
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target: document.getElementById('map'),
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view: new ol.View2D({
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center: [0, 0],
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zoom: 3
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})
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});
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var element = document.getElementById('popup');
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var popup = new ol.Overlay({
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element: element,
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positioning: ol.OverlayPositioning.BOTTOM_CENTER,
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stopEvent: false
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});
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map.addOverlay(popup);
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// display popup on click
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map.on('singleclick', function(evt) {
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var feature = map.forEachFeatureAtPixel(evt.getPixel(), function(feature) {
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return feature;
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});
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if (feature) {
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var geometry = feature.getGeometry();
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var coord = geometry.getCoordinates();
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popup.setPosition(coord);
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$(element).popover({
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'placement': 'top',
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'html': true,
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'content': feature.get('name')
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});
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$(element).popover('show');
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} else {
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$(element).popover('destroy');
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}
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});
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// change mouse cursor when over marker
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$(map.getViewport()).on('mousemove', function(e) {
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var pixel = map.getEventPixel(e.originalEvent);
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var hit = map.forEachFeatureAtPixel(pixel, function(feature) {
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return true;
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});
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if (hit) {
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map.getTarget().style.cursor = 'pointer';
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} else {
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map.getTarget().style.cursor = '';
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}
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});
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